SDAIE Semester 2 Review 2019

What process does a multi-cellular organism use to replace its damaged body cells?

• mitosis
• meiosis
• replication
• transcription

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NGSS.HS-LS1-4

Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.

• 23, 46
• 46, 23
• 2, 4
• 50, 100

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

The process on the left is:
The process on the right is:

• Left: meiosis
  Right: meiosis
• Left: meiosis
  Right: cloning
• Left: mitosis
  Right: meiosis
• Left: mitosis
  Right: mitosis

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...

• 16 chromosomes.
• 46 chromosomes.
• 8 chromosomes.
• 4 chromosomes.

Tags

NGSS.HS-LS1-4

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs

• crossing over
• mutagenesis
• hybridization
• fertilization

Tags

NGSS.HS-LS3-2

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

Which structure is labeled as C in the diagram?

• Centromere
• Chromosome
• Sister chromatids

Which structure is labeled as A in the diagram?

• Centromere
• Chromosome
• Sister chromatids

This is an example of ___________?

• Incomplete dominance
• Co-Dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This is an example of ___________.

•  Incomplete Dominance
•  Codominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2